jim axelrod, cbs news, new york. >>> coming up after your local news on "cbs this morning," the very latest on the gas explosion in kansas city as the search for the missing continues. >>> plus a close-up look at what's behind the recent jump in gas prices. >>> and former house speaker newt gingrich talks about what the republican party needs to do to rebuild itself. >>> that's the "cbs morning news" for this wednesday. i'm anne-marie green. have a great day. -- captions by vitac -- www.vitac.com your real -- >> your realtime captioner: linda marie macdonald. >>> good morning, it's wednesday, february 20. hump day. i'm frank mallicoat. >> i'm michelle griego. time is about 4:30. let's check in with lawrence on the weather today. >> after yesterday, boy, that was exciting. kind of quieting down now outside. for things quieting down it's getting cold in spots numbers down to freezing even below that in the valleys. how much will we warm up today? we'll talk about that coming up. >> and pretty much just your overnight roadwork that may slow you down. here's a live look at 880 near the o